- Interactive official hazard map (autotranslated), via Relief Web; En español
- Colombian Geology Service (SGC) Ruiz page.
- SGC webcams.
- Manizales Observatory (lots of data and image links).
- SGC recent helicorder records.
- Relief Web page
- El Tiempo’s minute-by-minute coverage (May 2nd), autotranslated. NOTE: This was the last one to date.
- El Tiempo’s summary of events up to May 2nd. (Autotranslated.)
- Global Volcanism Program page
- Washington VAAC advisory page
- Servicio Geológico Colombiano (Spanish)
- The latest SGC press conference (Spanish): April 10th.
- Their April 5 information thread (Spanish; Twitter can translate it).
- In-depth summary (Spanish) of volcanic activity through third week in April.
- UNGRD evacuation routes news (Spanish) — BUT…
- “Why shelters should be avoided in case of eruption” (Spanish). [Rant, April 24]These are government officials speaking to a credible media source — honestly, I suspect. And it’s surely why, as of this past weekend, reportedly only 3 families out of 1,000 at risk in Tolima District evacuated. Disgraceful.[/Rant, April 24]
Flight To Wonder 